Betanov, Cemil  <br/><br/>
Introduction to X.400 

 - Boston:   Artech House,   1993 
 - 388p.  
<br/><br/><label>ISBN: </label>0-89006-597-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Introduction 
<br/><br/><label>Subjects--Index Terms: </label>Electronic messaging  
<br/><br/><label>Universal Decimal Class. No.: </label>D 681.3.06X.400  / N3